Marathon Petroleum Corporation is an integrated, downstream energy company. The Company operates through two segments: Refining & Marketing and Midstream. The Refining & Marketing segment refines crude oil and other feedstocks, including renewable feedstocks, at its refineries in the Gulf Coast, Mid-Continent and West Coast regions of the United States. The Company sells refined products to wholesale marketing customers domestically and internationally, to buyers on the spot market, to independent entrepreneurs who operate primarily Marathon branded outlets and through long-term supply contracts with direct dealers who operate locations mainly under the ARCO brand. The Midstream segment gathers, transports, stores and distributes crude oil, refined products, including renewable diesel, and other hydrocarbon-based products principally for the Refining & Marketing segment via refining logistics assets, pipelines, terminals, towboats and barges, and others.